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EN 1.4588 Stainless Steel vs. SAE-AISI 4130 Steel

Both EN 1.4588 stainless steel and SAE-AISI 4130 steel are iron alloys. They have 48% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4588 stainless steel and the bottom bar is SAE-AISI 4130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
13 to 26
Fatigue Strength, MPa 190
320 to 660
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 540
530 to 1040
Tensile Strength: Yield (Proof), MPa 240
440 to 980

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.5
Embodied Energy, MJ/kg 84
20
Embodied Water, L/kg 200
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
83 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
500 to 2550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
19 to 37
Strength to Weight: Bending, points 18
19 to 29
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 11
16 to 31

Alloy Composition

Carbon (C), % 0 to 0.020
0.28 to 0.33
Chromium (Cr), % 19 to 21
0.8 to 1.1
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 41.2 to 50.4
97.3 to 98.2
Manganese (Mn), % 0 to 2.0
0.4 to 0.6
Molybdenum (Mo), % 6.0 to 7.0
0.15 to 0.25
Nickel (Ni), % 24 to 26
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040